Snail (Freshwater) Family: Lymnaeidae
(unranked): clade Heterobranchia
About 100 freshwater species
Lymnaeidae is a taxonomic family of small to large air-breathing freshwater snails, aquatic pulmonate gastropod mollusks. The snails has a shell with right-handed coiling.
A Photographic Guide to Freshwater Invertebrates of Taranaki’s Rivers and Streams
Photos of a few small aquatic snails,
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